default or selected kernelversion does not have config value CONFIG_CRYPTO_LIB_BLAKE2S_KUNIT_TEST.
Result is shown for kernelversion 6.18-rc3

KUnit tests for BLAKE2s

modulename: blake2s_kunit.ko

configname: CONFIG_CRYPTO_LIB_BLAKE2S_KUNIT_TEST

Linux Kernel Configuration
└─>Library routines
└─>Crypto library routines
└─>KUnit tests for BLAKE2s
KUnit tests for the BLAKE2s cryptographic hash function.

source code:
lib/crypto//tests/blake2s_kunit.c

depends
CONFIG_KUNIT